I just got the BMW Qi wireless charger and will install soon. It is the one that sits in the cup holder.

My question is this: can I leave it plugged in when the car is off? I notice when I turn the car off and I have something plugged into the DC (cigarette lighter) port, it stays on. I think I saw it turn off automatically after a bit, but don’t want to leave it plugged in and it drain the battery.

Anyone know how long the power ports stay on, say, after the car is locked, and the key is outside the car?

Thanks.


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